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  • Brad King's avatar
    Drop compatibility with CMake < 2.4 · 7d47c693
    Brad King authored
    Drop all behavior activated by setting CMAKE_BACKWARDS_COMPATIBILITY to
    a value lower than 2.4, and generate an error when projects or the user
    attempt to do so.  In the error suggest using a CMake 2.8.x release.
    
    Teach cmake_minimum_required to warn about projects that do not require
    at least CMake 2.4.  They are not supported by CMake >= 3.0.
    
    Replace the documentation of CMAKE_BACKWARDS_COMPATIBILITY with a
    reference to policy CMP0001.
    7d47c693